(√a + √b) (√a – √b) is:
a) 2√a
b) 2√b
c) −
d) +
Answers
Answered by
1
Answer:
a-b
Step-by-step explanation:
Answered by
1
Answer:
(a - b) is the answer
Step-by-step explanation:
(√a + √b) (√a - √b)
= (√a)² - (√b)²
[ using formula: (a+b)(a-b) = a²-b² ]
= a - b
Similar questions